#include <stdio.h>
//记得写一个getchar而不是putchar!!!!!!!!!!!
int main() {
  int a;
  
  while(~scanf("%d",&a)){
    getchar();
    switch(a){
    case 200:printf("OK\n");break;
    case 202:printf("Accepted\n");break;
    case 400:printf("Bad Request\n");break;
    case 403:printf("Forbidden\n");break;
    case 404:printf("Not Found\n");break;
    case 500:printf("Internal Server Error\n");break;
    case 502:printf("Bad Gateway\n");break;
    }
  }
  
    return 0;
}